Home / 1,393,255.50-2,089,909.17-396,009.42

Finding the Fourth Proportional to 1,393,255.50, 2,089,909.17 and 396,009.42

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Solution

The fourth proportional to 1,393,255.50, 2,089,909.17 and 396,009.42 is: 594,021.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,255.50 : 2,089,909.17 = 396,009.42 : x
  2. Step 2: Convert to fraction form
    1,393,255.50/2,089,909.17 = 396,009.42/x
  3. Step 3: Cross multiply
    1,393,255.50x = 2,089,909.17 × 396,009.42
  4. Step 4: Simplify right side
    1,393,255.50x = 827,623,718,264.38
  5. Step 5: Solve for x
    x = 827,623,718,264.38/1,393,255.50
  6. Step 6: Final answer
    x = 594,021.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.